If A = 
and A² = I, find x,y
Solution:
If 
find a,b,c and d
Solution:
More Solutions:
- Check whether -150 is a term of the A.P. 11, 8, 5, 2, …
- Find the 20th term from the last term of the A.P. 3, 8, 13, …, 253.
- Find the sum of the two middle most terms of the A.P.
- Determine the A.P. whose third term is 16 and the 7th term.
- Find the 31st term of an A.P. whose 11th term is 38 and 6th term is 73.
- The 15th term of an A.P. is 3 more than twice its 7th term.